完型填空:Who's u--- the computer?Tom

问题描述:

完型填空:Who's u___ the computer?Tom
1个回答 分类:英语 2014-11-05

问题解答:

我来补答
Who's using___ the computer?Tom前面的who's=who is 后面得加动词现在分词构成进行时
 
 
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